13104344334421 has 2 divisors, whose sum is σ = 13104344334422. Its totient is φ = 13104344334420.

The previous prime is 13104344334383. The next prime is 13104344334451. The reversal of 13104344334421 is 12443344340131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13096690534225 + 7653800196 = 3618935^2 + 87486^2 .

It is a cyclic number.

It is not a de Polignac number, because 13104344334421 - 2³¹ = 13102196850773 is a prime.

It is a super-2 number, since 2×13104344334421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13104344334451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552172167210 + 6552172167211.

It is an arithmetic number, because the mean of its divisors is an integer number (6552172167211).

Almost surely, 2^{13104344334421} is an apocalyptic number.

It is an amenable number.

13104344334421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13104344334421 is an equidigital number, since it uses as much as digits as its factorization.

13104344334421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 13104344334421 its reverse (12443344340131), we get a palindrome (25547688674552).

The spelling of 13104344334421 in words is "thirteen trillion, one hundred four billion, three hundred forty-four million, three hundred thirty-four thousand, four hundred twenty-one".